http://www.pasteall.org/pic/show.php?id=3864 libpng error Mapalloc returns null Cannot allocate pixel array

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The folder where I try to save to has a mix of blend files, png's jpgs' svg's pdf's totalling 310MB of data..
See attached .jpg for illustration
Config: WinXP 32 bits 2GB ram, quadro fx540, Intel core duo 1,8Ghz


from IRC:
Hoxolotl: http://www.pasteall.org/pic/show.php?id=3864 libpng error Mapalloc returns null Cannot allocate pixel array.
Hoxolotl: something in the remote folder I would like to save to causes blender to crash when pressing "save as"
ideasman42: Hoxolotl, running out of ram, blender doesnt deal with this situation properly
Hoxolotl: remedy: buy more ram? :)
Hoxolotl: or delete some images ... :(
ideasman42: Hoxolotl, it can also be memory fragmentation
ideasman42: for windows this is pretty bad, firefox use jemalloc on windows because of this
ideasman42: Hoxolotl, len= how work out how many MB this is and if you have that spare
Hoxolotl: ... it wouldn't bother me so much if I could reset the folder to save to... as it is after opening the file it (logically) tries to save the image in the same folder... and then opening a DEFAULT file tries to save in the crashproney folder too.
ideasman42: Hoxolotl, pls submit a report
ideasman42: and include files needed to redo if you can


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The folder where I try to save to has a mix of blend files, png's jpgs' svg's pdf's totalling 310MB of data..